Finding the Fourth Proportional to 690,320.48, 952,775.36 and 418,537.23
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Solution
The fourth proportional to 690,320.48, 952,775.36 and 418,537.23 is: 577,662.07
Step by Step Solution
- Step 1: Write the proportion equation
690,320.48 : 952,775.36 = 418,537.23 : x - Step 2: Convert to fraction form
690,320.48/952,775.36 = 418,537.23/x - Step 3: Cross multiply
690,320.48x = 952,775.36 × 418,537.23 - Step 4: Simplify right side
690,320.48x = 398,771,955,890.57 - Step 5: Solve for x
x = 398,771,955,890.57/690,320.48 - Step 6: Final answer
x = 577,662.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.